Phosphineoxide, phenylbis(2,4,6-trimethylbenzoyl)- (9CI);Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide;Methanone,1,1'-(phenylphosphinylidene)bis[1-(2,4,6-trimethylphenyl)-;Irgacure 819DW;
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